Remove unnecessary terminal outputs from 12_Merge.R

[tomschenkjr]

Going to consolidate any formatting issues for 12_Merge.R in this singular issue

• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760811
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760825
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760830
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760843
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760850
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760852
• [x] https://github.com/Chicago/food-inspections-evaluation/pull/11/files#r20760885
• [x] Also commenting-out line 339

[geneorama]

Done in #17